Collapsible tube



FIG. 1 is a top plan view of a collapsible tube showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a right side elevation view thereof, the left side being identical;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is a section view along line 7--7' in FIG. 3 ; and,

FIG. 8 is a section view along line 7--7' in FIG. 3 with the upper part removed and used as a cap. 

The ornamental design for a collapsible tube, as shown and described. 